208574799

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 299980800

約数和(自身を除く): 91406001

約数列:

[1, 3, 19, 57, 61, 183, 223, 269, 669, 807, 1159, 3477, 4237, 5111, 12711, 13603, 15333, 16409, 40809, 49227, 59987, 179961, 258457, 311771, 775371, 935313, 1139753, 3419259, 3659207, 10977621, 69524933, 208574799]

約数ペア:

[(1, 208574799), (3, 69524933), (19, 10977621), (57, 3659207), (61, 3419259), (183, 1139753), (223, 935313), (269, 775371), (669, 311771), (807, 258457), (1159, 179961), (3477, 59987), (4237, 49227), (5111, 40809), (12711, 16409), (13603, 15333)]